How to get 25psi fuel pressure for less than $200!! 99 cummins 24v
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- Опубліковано 30 вер 2024
- Hey everyone some things that I left out was that after doing this mod, make sure to check all your hose clamps for leaks after driving for a day or 2, also this mod Gave me 25 psi of fuel pressure at idle, and it holes steady as a rock at 17psi, at wide open throttle, and also do at own risk, it worked great for me, I would recommend this to anyone, and I’m glad there’s finally a video now about to install and what you need to do it! I hope you enjoy and I really hope it helps you or a friend!
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Interested in how long this has lasted because I have always been told to keep between 15 to 20 psi of fuel pressure to the VP. Is your truck modded in any way like injectors turbo and tune? I run mine at 18 and have 120 injectors and I feel like I can bump it to 20 psi so just curious if this has lasted you a fair bit of time thanks
Did this setup on my 98.5 24v works great and is still working great 8 years down the road!
Awesome man!
23psi is bad. Way to high. Fass only puts out 17 to 18 at idle.
Just means it bypasses through the relief valve all the time.
Your p7100 mechaincal pumps on the 12 valves require more fuel psi
But, if someone else should drive your truck and "not" turn on the Toggle Switch they could damage ( by starving) your Injector Pump !!!
Very true but no one drives my truck lol
You hodge podge it... I dont do sloppy work or shade tree work....and you have 2 fuel pumps just something else to go wrong
Oh yeah! These old Dodge trucks take me back, man! Childhood! Late 90s/early 2000s! I was in grade school at the time these were brand new. Hahaha! :D
They aren't meant for diesel fuel. Put one on my truck and it would get hot and shut off. Had to return it. Also ran like crap as if it weren't getting enough psi
Good morning .. Nice Vid. I have a 99 that I have owned since 2000. Like you I was seeing a loss of pressure.on my fuel system. After changing the stock pump at the engine several times. I relocated the stock carter pump to the frame rail like you did with the holly blue. I still had lift pump failures but the failures were extended to about every 2 years. Vulcan performance out of Vancouver has a frame rail pump relocation kit . I tried the Fass but it failed in 3 months and fass left me on the side of the road for a week till they were able to get a replacement coming . I got tired of waiting so I brought a stock replacement and re plumbed a old spare stock replacement at the frame rail. If you go back to the stock pump... go to Cummins direct and buy from them much much cheaper! Nice 3500!
Good info! Thanks man!
I ran a separate relay to power the Holley Blue, and power the coil of the relay via stock fuel feed. Coil draw is only milliamperes, pump pressurizes off key switch now.
That’s a great idea, your wiring skill probably far exceeds mine
After a few months of running with this wiring setup, it appears as though it's having a hard start issue. Caused by the high fuel pressure at startup So I rewired it to a switch that only is active after the engine has been started. Low pressure on startup and back to 20 psi after the engine is running. Problem solved.
Good deal!
@@MrInnovativeEnergy where did u find a switch signal thats active when truck is running? its not on during accessories on?
@@MrInnovativeEnergy do you have a video how you did that? I’m having a hard starts after I replaced the lift pump.
Its supposed to be 15-20psi
Works great on 25 2 years strong now
I have a quick question. How come you put the fuel filter after the new fuel pump? Wouldn’t having the fuel hit the fuel filter before the pump help keep debris from entering the pump? I enjoyed the video and thanks for making it man.
Typical shade tree modification. Does it work? Sure. Is it a good solution? Probably not. It cuts corners and will likely eventually cause other problems. Do it right the first time. Not trying to dis your work, I've paid the price myself for many similar solutions that looked good at the time. Then I got older and discovered cutting corners, "saving" money, jerry rigging is usually a bad choice.
I totally agree, when I made this video, this was absolutely all I could afford, I wanted to buy something nice but it just wasn’t in the cards so this actually worked very well
Pressure is pressure it dont know that it's cheaper pressure. Filtration may b a issue but if u put a inline cat filter something along the line of 3 micron u b good. I'm about to do this to my 2nd gen with cat filter cause I put the fass in my 3rd gen
I didn't think you were supposed to go over 20 psi feeding your VP44?
Just means it bypasses through the relief valve all the time.
Not suppose to.17 max.
@@white24valve I run 20 with no probs.
@@douganderson7002 I'm running a destructive test at 21PSI, we'll see how long it lasts. The next pump is waiting on the shelf and it will run 18psi and we will see how long that one lasts. P7100 is waiting until the two failures occur and will never see a failure at any lift pump pressure just as all my 12 valves have.
I’m going on 3 years same vp, if it wasn’t being lubed it woulda failed by now
Good stuff I just recently bought a Airdog for my truck
I’ll probably get one in the future too
Well it’s lasted longer than my airdog the motor burnt up on mine today. Only 1 1/2 years old
Hey that’s kinda cool for me at least! I’m sorry about your pump that sucks
bro, so you telling me you added a fuel pump but also added a 12v mod to factory lift pump?
What
I am curious about this as my understanding is the after 21 psi the vp44 stops working. I have had experience with this. I was using an airdog 150 at the time and put a 30 psi spring in, and it started and ran great, but i stopped for fuel and i could not get the truck to restart at the gas station i had to disconnect the fuel line at the gas station and swap the spring back and it started right up. Does anyone know the limitations of these 44's? right now i run 21 psi at idle and hold strong at 18-20 while cruising on my 4gII 160 airdog.
I have no clue exactly what is right and wrong all I know is I run 25 psi at idle and about 21 cruising and I have no issues at all
Great video, good explanations of what you did and the logic behind what you did!! What brand and model are your gauges. They look sweet! Thx! Nm, I was able to pause at a one point and saw they are Glow Shift.
So you ran a toggle switch off positive battery side,did you just ground into the frame?
Yeah probably I can’t remember
Still holding up?
I think so sold it a few years ago
23-24psi is way too much for a vp44. Just as bad as low pressure
do you have to have the wire coming from the stock plug
sir but you have the original lift pump on the tank? or on the block
Hmmmmmm. . . Those numbers sound like too much!!
Too much fuel pressure can do the same thing that a lack of fuel pressure will do to your vp44!!! perhaps you should have considered using the regulator?
Well, the vp has an over flow valve that opens to let excess psi go by and it’s been great for over a year so far so I would say it’s doing well
@@floridafenceland1137 - I see.... this is the first I am learning of an overflow valve on a vp44.
It would make sense, I know a hell of a lot more about the p7100 then I do the vp44.
👍 I appreciate your hasty reply!! Lol
@@floridafenceland1137 - on another note, have you gotten your cease-and-desist letter from Sinister Diesel yet??? Hahahaha
Haha haha no I have not, I wish they would send me one lol they are rediculous
Mr. Brown yeah I wish my truck had a p7100 but this is working for now! And my pleasure I love comments I try to be helpful
I just looked the pump up, it says maximum pressure is 14 psi, is this an inaccurate number or are the rest of your psi coming from vp pump?
Fuel Pressure is read in the filter housing after the lift pumps before the vp,not sure where it comes from but I’m glad it’s there an workin well
14psi is Dodge #, BOSCH SAYS 20PSI MAX.
It’s been 25 for a good while now and still going great
Is 25 psi a little high for a VP 44 ?
I m inthe process of doing the same setup ,i also have a caterpillar filter and a water separator, but i m tired of paying a shop or mechanic to lower the tank just to replace the intank pump so i went this same route.. question...does this pump supply enough fuel pressure tothe cp3 , i have an 2005?,,intalling a sump also.
Okay so I got it figured out! So I found that the ECM wasn’t getting power for some reason, disconnected the battery and tried again boom now everything works starts great 25psi at idle, I might have done something to freeze the ECM to prevent it from getting power, not sure, weird
Do you think if you would have used your regulator you would have had to add the toggle switch?
4 yrs later I looked across internet for this pump. You said 20 plus psi all I can find for Holley blue pump's is 14 max psi.
Yes that’s what is advertised on the pump but then I installed it on my truck I was at 20 psi on my fuel psi gauge
My 02 2500 had the in tank pump. It was completely clogged at the bottom of the fuel basket. I installed a raptor. Hopefully it last.
Just wanted to let you know I did the same mod after watching your video, so thanks for that! I did mount the regulator that came with it, I have 18 at idle and 16 WOT now
That’s awesome! I’m glad It worked for you! Mine is still going strong
That’s awesome! I’m glad It worked for you! Mine is still going strong
Hi is you pump still working.
great video! Thank you for taking the time to show your very good idea.
My pleasure thank you for watching!
Okay I did it, currently trucks not starting anymore. I only have the red wire hooked up to the fuel pump relay, it didn’t come with a relay, the pump is on when I turn my key and it’s loud so I’ll have to make it work only when I’m cranking, so far 2/5 stars. Keep getting air in the line
what size tires and is it lifted?
My fuel pump was geting low psi turn out to b factory wiring bad wire now after fixing the wires it gets 20 psi
That’s awesome!
I don't understand why people is going to a airdog or any aftermarket lift pump my truck has been converted to the in tank Lift pump it's been in there since 2003 and at idle I am holding it like 22 PSI I've never had any problem with my in tank system I guess because mine's all stock
That’s pretty cool I’m not familiar with that setup it seems like it works good! May have to look into that
I also have the in tank pump which was dodge replacements fix for a lot of block mounted lift pump failure.my truck is stock I have a 01 with only the in tank pump. What confuses me is can I run both in tank pump and a add a another either in the factory location on the block or in frame rail next to tank. Or eliminate in tank pump altogether. I'm seeing 7psi at idle and below 5 psi normal driving. 0 wot. Any advice would help. Thanks
Yeah there’s no reason you can’t run 2 pumps just Hook them up in line and run power to it you’ll definitely see a big increase in pressire
@@floridafenceland1137 thanks for the fast response. I'm definitely gonna look in getting this pump seems easy enough to do. Have you had any issues with it since the install? Also is the regulator that comes with the pump look like it's adjustable?
Eduardo Silva no prob man! And it’s very easy, the only issue I had was the original pump died after one year, and I went an bought a new one, returned the old on under warranty and got my money back, had the truck back running in 30 mins but besides that the second pump is running exactly the same and running strong
You just saved me from dropping $800 on a fass. Thank you
No problem man! I hope it Works out for you I’m still on the same
Pump same everything I started with
Chris Schall Fass and Air dog fail as well .. read my above post.
Sooo..... You are unsure if your stock lift pump is still putting anything out? What set up do you have for stocker? engine mounted or in tank? I'm just weighing options at the moment. Is the holley still going strong?
Mine was engine mounted, and reading 8-12 psi I added the Holley to run with the stock pump and I as at 25psi I still recommend the Holley for these trucks still running good after 3 years
What about when cutting the line? Is there fuel going to pour out? Do you need to have the tank almost empty? My truck has in tank pump.
I didn’t do anything special for it, you’ll lose whatever diesel is in the line but it won’t drain the tank or anything like that
Man you have an absolutely beautiful truck I have a 2000 model I'm literally at a hundred miles away from hitting 100,000 miles I love your setup this truck was a gift from my dad to me it was his first brand new vehicle he bought it brand new in 99 and it is a 2000 and I'm literally wanting to upgrade it I want to keep it original but with upgrades if that makes any sense LOL I'm new to all this diesel stuff but I love these trucks I do I love the tires that you got everything so I am going to be a new subscriber and watching a lot of videos thank you and have a blessed day my friend
i have a 2001.50 24v turbo 138.000 i have an air dog, no smoke and big balls. I love to hear that 5.9 roaring down the highway. the best thing you can do is get rid of that factory fuel filters, if my truck ever starts losing FP I would definitely use this system shown here. great video, love these Cummins engines, there bullet proof.
Why not just replace the part that provides the cause rather then go through the booger rig
Limited budget back then didn’t have $700 to spend on a fuel
Pump
Actually is called a tubing cutter and the little cutter is called a emp cutter I'm just saying
Thanks! I appreciate that
I'm a little late to the party. did you ever make it to the fass? how long did the Holley last i need a lift pump for a 3rd gen and don't want to spend big bucks
Still running my Holley man! The pump
Died after 1 year, went to advance auto, picked up another, returned the old one and I’m still going strong on my second pump and no extra money spent!
Ok great idea. Not sure if holleys are diesel fuel compatible? Also its best to use the band type clamps for long term use they don't cut into the hose and loosen with time like the ones you are using. if your going to use a filter on the inlet make it more of a screen type just to get the stuff that may lock up the pump. electric pumps push well but don't pull well at all. use a second finer filter after the pump. Also always use a relay and carry a spare.
Thanks for the tips man!
How much psi are they suppose to have. I'm not a fan of the fass. They are loud pumps
I think 12 is the min at wide open throttle
Really great video on lift pumps. I have a 2002 FS65 bus with a 5.9/24v/vp44. I need dependability with simple repairs. The Hooly blue is definitely the answer here. Just having tandem lift pumps is absolutely reassuring.
Just put one in up by the front wheel
Inside frame used existing hole. For
The plastic. Tubing bracket. Drilled
1 hole(. I used your great idea
Of. Using. Light kit plug )
Used the regulator
Screwed it all the way in
No more than 13- 14 psi
Going to. Bypass it to see
What pressure I get
Also. Just got the Truck.
Had a defunct. In tank fuel pump
+ clogged in tank strainer screen
Starving the engine for fuel
When. Installing
New. Pump. , check for
Fuel volume. And
Pressure. Not just pressure
My truck would only go about
68 mph on the way home
About 220 miles
Great info man!
I like the way you set it up,I was wondering if I could just cut the rubber line instead on the metal line close to the tank,I think its rubber farther away from the tank?
I’m sure you could cut it anywhere at the time I figured closer to the tank the better so it did more pushing than sucking
Thanks, no one in Texas has the stock lift pump, I’ll try one of these
I'm at 6psi looked them up online says they are for gas only or is there a diesel pump
They are for gas but works for diesel
Way too much fuel pressure for the Injector pump! You'll blow the seals out of it!
It’s been great for years man, I think that’s not teuw
You don’t need that much pressure, plus those in line fuel filters are really small for diesel it may destroy your vp44
It was pretty good when I sold it
Do you think that this will work on a 12valve?
Also wondering if this will work on a Duramax?
Thanks
12v needs more like 45 psi so same concept with bigger pump yes and duramax I have no clue what they like for fuel pressure but same concept applies
Thank you for the video it definitely helped.
Glad it helped!
Holy cow!! All the freakin pressure geez
All of it!!
Too much pressure. You want ~15psi at idle max. Getting over 20psi is not good for the internals of the VP44 pump.
It’s been good for 2 years man!
@@floridafenceland1137 There's also folks running on low pressure for years. Doesn't make it the correct pressure. Good luck to you but the pressure's still too high.
Install a sump ($30 ebay) and replace the fuel lines with rubber ones ($60 ebay). Made a big difference on my 12 valve. Started up instantly afterwards.
Do you know exactly what wiring harness you used?
I don’t it was whatever oreilly had on the shelf
No no too much pressure max needs to be 20!!
Oh well we got 25
What do you mean you cut the wires off the lift pump plug?
I'm trying to do the same thing to my 24v
That's a nice truck I'm a Cummins fan also I'm about to change our the transmission in my truck maby next week or so
Thank you, and good luck to you!
Yes sir I'm putting a Alison 6 speed automatic in it
I didn't understand why you couldn't hook up the originals power wires. You went from the battery to the new pump. You also said some thing about not having the water trap with this mod. Will that hurt anything? I thinks you should tell the factory about this, sounds like a great idea to me.
So at the time, I was unsure if my Ecm was working properly and telling my factor pump to come on so that is why I by passed it, but now I do feel like I could trust my ecm and I could wire it up and have it all be factory
@@floridafenceland1137. Thanks, I believe you could put some of these high priced pumps companies out of bussiness. You my friend should be working for Dodge. You have what I call Good Old Horse Sense and that beats book sense by a thousnad miles. I have seen men with 5 college degress work on something 5 days and I fixed it in 5 min becaues I used a litle horse sense. God Bless you my friend. You can find me on UA-cam (Merry Christmas Elvis by James McQueen).
That’s brother I appreciate that! God bless and I will check out your channel!
Love those tires what kinda tires are those and size also what kinda of lift you got
These tires are 285s basically 33s and I have a 2 inch level up front, my truck is now on 35s with the same level
So,5 years later, do you still have your 24v? I have 2 2500’s and bought a wrecked 3500 for parts. Love my 2gens. Much love from NC🤙
So you don't have the lift pump on the side of the block?
I do, both pumps hooked up to same switch, the Holley pump, feeds the engine lift pump
Got the same truck an running into the exact same problem lol. Nice job.
Thank you! Still running good also!
I should have never had looked at you tube. Had a 47re transmission problem. That is fixed. Thanks you tube. 2002 with 373k. No fuel pressure gage. Original lift pump. Original vp44 pump. Completely stock . Runs great. Only regular maintenance. Just got a leak on lifterblock cover/ cam cover plate or whatever they call it. Vacuum pump also leaking. Going to fix and thought about changing some fuel related things while I have it apart. Mainly lift pump and the horror stories on you tube are enough to make me lose sleep and wonder when my truck is going to leave me stranded. Think I will sell it and go electric
Ok so, if you don't turn on the pump will the truck still runs? Or you have to turn it on?? Because I saw in the box is not for sale in California but I'm assuming if the truck still working without the external pump on, you can turn it off before take it to smog station right...? And in order to keep the dash clean and no buttons use a relay instead and just get the signal from the stuck pump done deal...
What tires and size on that ram? Looks nice.
In this video they were 33s
I have an airdog raptor 4g in my truck (came from previous owner). Would you recommend taking that out and putting this holly in, instead?
So can I clarify. You have the holley running to the stock pump and stock pump to engine? Then does the manual switch power both pumps or just the holley? And it just stays on all the time?
Doesn’t have much pressure. No need to use multiple hose clamps
Don’t want any leaks, hose clamps are cheap
Better safe than sorry
I have an 02, When I bought it the dealer at some point changed the carter for a pump in the tank. It worked but not exceptional at all, all I did is buy the OEM carter pump and put it back on the engine and left the tank pump hooked up. Essentially the same as here but easier. I have 15-18 lbs at idle and have never seen it go below 8-9 lbs hauling my 36 ft RV up hills and anywhere you want to go.
Any way to turn it down to 17-19?
I would Imagine so!
I would like to do this to my truck
It’s cheap and effective!
Hey Crazy Acres, how's this working out long term for you?
great video thabks
Welcome!
Would this work if i have an in-tank lift??
Idk to be honest
Did you attempt it?
How has it held up?
Still Running when I sold It a year ago
Hey man thanks for the help I did the same thing
Sweet deal man!
Will this set up work on a 2006 dodge Cummins
Great video man
Thanks man!
Does the pump work with the lift pump in the tank or just the one on the block
I actually don’t have the in tank pump
On this model but it works well with the engine lift pump
Ok thanks
Are you running both pumps? The new Holley that goes to the stock pump mounted on the engine?
How did you get the air out the line from in between the Holley and fuel tank?
Did it to mine a few weeks ago, works great so far.
What's the furthest you've driven at one time with this pump?
Probably 3-4 hours round trip
@@floridafenceland1137 awesome. I'm doing a 4 hour trip both ways. Pulling a 2010power wagon back
Cody Hampton yeah I never had any issues with it no matter how far i drove
Where did you get the head lamps, looking to upgrade mine
That’s too much for a vp
It’s been working good for me man
Great 👍 Video. Thanks.
Thank you!
Lift or leveling kit?
It’s a 2 inch level spacer
I love the simplicity!!! Right on !
Are you running rear wheel spacers
Yes sir, a 2 inch in between the rears, I’m on 35s now and they still don’t touch so I’m happy with that
What tires do you have on their?
Those were Dick cepeks
The Diesel Ranch what size where they. I been looking for good set of tires.
Are you still running the same set up, and is that Holley a gas or diesel pump?
Yes same setup! An it’s designed for gas but it’s been working fine for diesel, I’ve changed the pump once after a year and second one running just fine
Thanks for your help great looking truck man
On a stock VP
Of course man thank you!
It’s a HIgh Output stock vp
What issue were you experiencing other than the low pressure on your gauge?
Nothing really it drove fine! Just saw the pressure was low so decided to do something about it
@@floridafenceland1137 thank you. Awesome video and info. Did you run the regulator that comes with those pumps
I did not run it!
@@floridafenceland1137 that was the main problems with these trucks. The stock lift pump eventually grew weaker and weaker but the engine still ran normal. The VP44 was getting starved of fuel so it would break down leaving you stranded and a $2000 fix. You wre right to address it when you did. I bought a '99 Cummins Ram that ran normal with the stock lift pump 12psi. I switched to the DDRP02 pump and now getting 20psi @ idle and 14psi WOT.
Liked and subscribed, nice work! How long has the pump been working for you?
First one died after a year, second one still
Going
The Diesel Ranch 👍 Would you put the same one in next time? I like mine!
For the price it’s hard to beat!
The Diesel Ranch agreed!
got the pump last night thanks for saving me ton of money,
Awesome man! Glad you decided to try it! I’ve had awesome luck with mine!
@@floridafenceland1137 both pumps running pegged my guage 30 psi
What does it read at full throttle?
Great video man
Thanks man!